1. Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
2. Anticarcinogenesis and Apoptosis Research Cluster, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
3. Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai 50200, Thailand
4. Akkraratchkumari Veterinary College, Walailak University, Nakhon Si Thammarat 80160, Thailand